Vulnerability in OpenSSL

CVE-2014-5139

The ssl_set_client_disabled function in t1_lib.c in OpenSSL 1.0.1 before 1.0.1i allows remote SSL servers to cause a denial of service (NULL pointer dereference and client application crash) via a ServerHello message that includes an SRP ciphersuite without the required negotiation of that ciphersuite with the client.

Published · last modified .

CVSS v2 metric

CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.163 (96.9th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2014-5139: held from 0.162 to 0.163.

EPSS over last 30 days · oldest: 0.162 · newest: 0.163 · change: +0.001

Affected products

  • OpenSSL — versions 1.0.1, 1.0.1a, 1.0.1b

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2014-5139?
CVE-2014-5139 is a vulnerability in OpenSSL. Published 2014-08-13.
Is CVE-2014-5139 known to be exploited?
7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.